Bio

hi i passed my full car test in dec 1989 and it entitled me to ride upto a 125cc motor bike with l plates i would like to know if i still can ride without having to do a cbt as i shouldnt need to as ive been driving and riding bikes for many years so pls could some one with kwnoledge let me know i called dvla and they said i dont need a cbt cause when i passed my test but i went to buy a new bike in 2016 and was told i need a cbt i said dvla said i dont so pls help if ur a motor bike shop owner pls let me know or if ur a cbt instructor or anyone else knows pls let me know ty